{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Arteritis induced in rats by vasodilators , fenoldopam and theophylline , was examined immunohistochemically for expressions of inducible type of nitric oxide synthase ( iNOS ) , basic fibroblast growth factor ( bFGF ) and tumor growth factor - beta1 ( TGF - beta1 ) ."}
{"Chemical": ["fenoldopam", "theophylline", "nitric oxide"], "Disease": ["Arteritis", "tumor"]}